Abbott-Smith Manual Greek Lexicon
ἱλαρός (G2431)
1 ἱλαρός , -ά, -όν ( ἵλαος = ἵλεως , q.v.), [in LXX: Pr 19:12 ( רָצוֹן ) 22:8 , Es 5:1 , Jb 33:26 , Si 13:26 26:4 , III Mac 6:35 *;] cheerful , joyous : II Co 9:7 ( Pr 22:8 ( 9 ) (LXX) ).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain